fix

1 files changed, 355 insertions, 0 deletions

diff --git a/example/fusexmp_fh.c b/example/fusexmp_fh.c
new file mode 100644
index 0000000..8a40c9e
--- /dev/null
+++ b/example/fusexmp_fh.c
@@ -0,0 +1,355 @@
+/*
+    FUSE: Filesystem in Userspace
+    Copyright (C) 2001-2005  Miklos Szeredi <miklos@szeredi.hu>
+
+    This program can be distributed under the terms of the GNU GPL.
+    See the file COPYING.
+*/
+
+#include <config.h>
+
+#ifdef linux
+/* For pread()/pwrite() */
+#define _XOPEN_SOURCE 500
+#endif
+
+#include <fuse.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <errno.h>
+#include <sys/statfs.h>
+#ifdef HAVE_SETXATTR
+#include <sys/xattr.h>
+#endif
+
+static int xmp_getattr(const char *path, struct stat *stbuf)
+{
+    int res;
+
+    res = lstat(path, stbuf);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_readlink(const char *path, char *buf, size_t size)
+{
+    int res;
+
+    res = readlink(path, buf, size - 1);
+    if(res == -1)
+        return -errno;
+
+    buf[res] = '\0';
+    return 0;
+}
+
+static int xmp_opendir(const char *path, struct fuse_file_info *fi)
+{
+    DIR *dp = opendir(path);
+    if (dp == NULL)
+        return -errno;
+
+    fi->fh = (unsigned long) dp;
+    return 0;
+}
+
+static int xmp_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
+                       off_t offset, struct fuse_file_info *fi)
+{
+    DIR *dp = (DIR *) fi->fh;
+    struct dirent *de;
+
+    (void) path;
+    seekdir(dp, offset);
+    while ((de = readdir(dp)) != NULL) {
+        struct stat st;
+        memset(&st, 0, sizeof(st));
+        st.st_ino = de->d_ino;
+        st.st_mode = de->d_type << 12;
+        if (filler(buf, de->d_name, &st, de->d_off))
+            break;
+    }
+
+    return 0;
+}
+
+static int xmp_releasedir(const char *path, struct fuse_file_info *fi)
+{
+    DIR *dp = (DIR *) fi->fh;
+    (void) path;
+    closedir(dp);
+    return 0;
+}
+
+static int xmp_mknod(const char *path, mode_t mode, dev_t rdev)
+{
+    int res;
+
+    res = mknod(path, mode, rdev);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_mkdir(const char *path, mode_t mode)
+{
+    int res;
+
+    res = mkdir(path, mode);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_unlink(const char *path)
+{
+    int res;
+
+    res = unlink(path);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_rmdir(const char *path)
+{
+    int res;
+
+    res = rmdir(path);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_symlink(const char *from, const char *to)
+{
+    int res;
+
+    res = symlink(from, to);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_rename(const char *from, const char *to)
+{
+    int res;
+
+    res = rename(from, to);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_link(const char *from, const char *to)
+{
+    int res;
+
+    res = link(from, to);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_chmod(const char *path, mode_t mode)
+{
+    int res;
+
+    res = chmod(path, mode);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_chown(const char *path, uid_t uid, gid_t gid)
+{
+    int res;
+
+    res = lchown(path, uid, gid);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_truncate(const char *path, off_t size)
+{
+    int res;
+
+    res = truncate(path, size);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_utime(const char *path, struct utimbuf *buf)
+{
+    int res;
+
+    res = utime(path, buf);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+
+static int xmp_open(const char *path, struct fuse_file_info *fi)
+{
+    int res;
+
+    res = open(path, fi->flags);
+    if(res == -1)
+        return -errno;
+
+    fi->fh = res;
+    return 0;
+}
+
+static int xmp_read(const char *path, char *buf, size_t size, off_t offset,
+                    struct fuse_file_info *fi)
+{
+    int res;
+
+    (void) path;
+    res = pread(fi->fh, buf, size, offset);
+    if(res == -1)
+        res = -errno;
+
+    return res;
+}
+
+static int xmp_write(const char *path, const char *buf, size_t size,
+                     off_t offset, struct fuse_file_info *fi)
+{
+    int res;
+
+    (void) path;
+    res = pwrite(fi->fh, buf, size, offset);
+    if(res == -1)
+        res = -errno;
+
+    return res;
+}
+
+static int xmp_statfs(const char *path, struct statfs *stbuf)
+{
+    int res;
+
+    res = statfs(path, stbuf);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+static int xmp_release(const char *path, struct fuse_file_info *fi)
+{
+    (void) path;
+    close(fi->fh);
+
+    return 0;
+}
+
+static int xmp_fsync(const char *path, int isdatasync,
+                     struct fuse_file_info *fi)
+{
+    int res;
+    (void) path;
+
+    if (isdatasync)
+        res = fdatasync(fi->fh);
+    else
+        res = fsync(fi->fh);
+    if(res == -1)
+        return -errno;
+
+    return 0;
+}
+
+#ifdef HAVE_SETXATTR
+/* xattr operations are optional and can safely be left unimplemented */
+static int xmp_setxattr(const char *path, const char *name, const char *value,
+                        size_t size, int flags)
+{
+    int res = lsetxattr(path, name, value, size, flags);
+    if(res == -1)
+        return -errno;
+    return 0;
+}
+
+static int xmp_getxattr(const char *path, const char *name, char *value,
+                    size_t size)
+{
+    int res = lgetxattr(path, name, value, size);
+    if(res == -1)
+        return -errno;
+    return res;
+}
+
+static int xmp_listxattr(const char *path, char *list, size_t size)
+{
+    int res = llistxattr(path, list, size);
+    if(res == -1)
+        return -errno;
+    return res;
+}
+
+static int xmp_removexattr(const char *path, const char *name)
+{
+    int res = lremovexattr(path, name);
+    if(res == -1)
+        return -errno;
+    return 0;
+}
+#endif /* HAVE_SETXATTR */
+
+static struct fuse_operations xmp_oper = {
+    .getattr	= xmp_getattr,
+    .readlink	= xmp_readlink,
+    .opendir	= xmp_opendir,
+    .readdir	= xmp_readdir,
+    .releasedir	= xmp_releasedir,
+    .mknod	= xmp_mknod,
+    .mkdir	= xmp_mkdir,
+    .symlink	= xmp_symlink,
+    .unlink	= xmp_unlink,
+    .rmdir	= xmp_rmdir,
+    .rename	= xmp_rename,
+    .link	= xmp_link,
+    .chmod	= xmp_chmod,
+    .chown	= xmp_chown,
+    .truncate	= xmp_truncate,
+    .utime	= xmp_utime,
+    .open	= xmp_open,
+    .read	= xmp_read,
+    .write	= xmp_write,
+    .statfs	= xmp_statfs,
+    .release	= xmp_release,
+    .fsync	= xmp_fsync,
+#ifdef HAVE_SETXATTR
+    .setxattr	= xmp_setxattr,
+    .getxattr	= xmp_getxattr,
+    .listxattr	= xmp_listxattr,
+    .removexattr= xmp_removexattr,
+#endif
+};
+
+int main(int argc, char *argv[])
+{
+    return fuse_main(argc, argv, &xmp_oper);
+}